Abstract
OBJECTIVE: To determine if weight status affects the relationship between weight-related beliefs and consumption of sugar-sweetened beverages (SSB) and fast and convenience store food purchases (FCFP). DESIGN: Observational, cross-sectional. SETTING: Twin Cities Metropolitan area, Minnesota, USA. METHODS: Body composition and psychosocial survey were obtained for 345 adolescents. General Linear Models tested adjusted (age and sex) associations between weight-related beliefs and consumption of SSB and FCFP. Significant associations were tested for moderation by weight status. RESULTS: SSB was positively related to perceptions that people worry too much about their weight (β = 0.103, p = 0.016), with no moderation present. FCFP were positively associated to perceived barriers to maintaining a healthy weight (β = 0.042, p = 0.004) with a subsequent significant interaction by weight status. Stratified models showed a significant association between perceived barriers to a healthy weight and FCFP for overweight adolescents (β = 0.345, p = 0.022). CONCLUSIONS: Addressing perceived barriers to a healthy diet may lead to important risk reduction.
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